Mathematics, 18.03.2021 03:30 jackkie10

Which expression is equivalent to (StartFraction x Superscript negative 4 Baseline y Over x Superscript negative 9 Baseline y Superscript 5 Baseline EndFraction) Superscript negative 2? Assume x not-equals 0, y not-equals 0. StartFraction y Superscript 8 Baseline Over x Superscript 10 Baseline EndFraction
StartFraction x Superscript 5 Baseline Over y Superscript 7 Baseline EndFraction
StartFraction x Superscript 5 Baseline Over y Superscript 4 Baseline EndFraction
StartFraction x Over y Superscript 7 Baseline EndFraction

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